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ClosedFind a Tender · UK4

Guildhall - Great Hall Roof H&S Works

Buyer: The Mayor and Commonalty and Citizens of the City of London →

View official notice ↗Official source

BuyerThe Mayor and Commonalty and Citizens of the City of London
StatusClosed
Deadline5 Aug 2026
Value£2,700,000
Published8 Jul 2026

What is being bought

About the Project The proposed works are comprised of high-level repairs to the Great Hall roof, to include: • Refurbishment of the central lantern and fleche • Isolated repairs on the Collyweston stone slate roof • Repairs and improvements to rainwater discharge • High-level masonry repairs and cleaning, to include clerestories, parapets, turrets, pinnacles and tracery • turrets, pinnacles and tracery • Re-bedding of gable copings with improved details • Installation of a new weathervane on the fleche The Great Hall and the wider Guildhall complex will remain operational throughout the works. The contractor’s compound will be located on the large, paved area immediately north of the Old Library. The Great Hall is enclosed by ambulatories on all sides, which prevents the use of full-height, ground-supported scaffolding. Consequently, scaffolding to the north and south elevations will need to be cradled from parapet level, while access to the east and west gables will require bridging over the ambulatories and bearing onto adjacent structures. An indicative scaffolding design and methodology have been developed and will be included within the tender documentation. The Contractor is anticipated to take possession of the site in early October 2026. Works to the lantern and south elevation of the Great Hall must be completed no later than late October 2027, in advance of the annual Lord Mayor’s Show. About the Great Hall London’s Guildhall has been at the heart of the City’s government for centuries. The site has been a centre of civic administration since at least the 12th century, although there is evidence that a guildhall or meeting place has existed on the site as early as the Saxon period. It was built on the site of a Roman amphitheatre which dates to 70 AD, the remains of which were rediscovered in 1987, during the construction of the adjacent art gallery, and are on public display in the gallery’s purpose-built basement display. The medieval Guildhall was erected between 1411 and 1440 to serve as the administrative and ceremonial centre of the City of London. It was built in Perpendicular Gothic style, to the designs of John Croxton, the master mason responsible for the structure’s grand stonework. After the Great Fire of London (1666) destroyed the roof, Sir Christopher Wren and Robert Hooke oversaw repairs, replacing the fire damaged roof and altering the interior. The next phase of alterations occurred between 1788-91 under the auspices of George Dance the Younger, who redesigned the interior and introduced the building’s striking neoclassical porch. Dance also designed a new façade for the Guildhall Chapel, which was demolished in 1822 to make way for the Mayor’s and City of London Court. In 1866-70 Sir Horace Jones undertook major works to restore many of the building’s lost Gothic elements. The building suffered extensive damage during the Second World War Blitz and restoration work was completed in the 1950s under the direction of Sir Giles Gilbert Scott. Today the Guildhall is a blend of medieval, Georgian, Victorian and post-war architecture, reflecting its long and dynamic history, and the building remains the ceremonial and administrative centre of the City of London Corporation. This procurement will be conducted as a two-stage competitive process for the award of a below-threshold contract under the Procurement Act 2023. The process has been designed as a proportionate competition comprising an initial selection and shortlisting stage followed by an invitation to tender issued to shortlisted suppliers" This Selection stage tender process will shortlist maximum of six supplers which will be taken foirward to the ITT Stage.

Delivery location

UKI, GB

Categories

Roof works and other special trade construction works 45260000

Lot details

Lot 1

No lot description published.

Statusactive
Value£2,700,000
Contract periodFrom 1 Jan 2027 to 26 Feb 2027
SME suitabilitySuitable for SMEs

Award criteria
Technical Questions (45%)
Responsible Procurement (15%)
Price — The Selection (ITP) Prcoess will be based on questions which suppliers are required to respond to and submitt along with the Qualification questions which are Pass/Fail questions. A maximum of six top ranked suppliers will be taken forward to the ITT Stage. The ITT Stage will be comprose of: Technical Questions Responsible Procurement Questions Price (40%)

What is included

ItemCategoryQuantity
1Roof works and other special trade construction worksNot published

Comparable-procurement analytics

Benchmarked against retained Find a Tender procedures with CPV division 45. The category anchor is Roof works and other special trade construction works (45260000); this is a deliberately broad market comparator. The comparison is shown at several levels rather than pretending one company or region is always the best benchmark.

Comparison setProceduresReported bids per procedureNamed award suppliersPrice evidence
Market: CPV division 457,1353 median · 22.8 average (1,224 of 7,135 with a bid count)3.5 average (1,350 of 7,135 with named award suppliers)Not published
Same buyer48Not publishedNot publishedNot published
Delivery region: UKI8693 median · 20.3 average (157 of 869 with a bid count)3.3 average (165 of 869 with named award suppliers)Not published
Similar published value (0.5×–2×)89012 median · 12 average (2 of 890 with a bid count)3 average (3 of 890 with named award suppliers)Not published

“Reported bids” is an official aggregate, sometimes reported per lot; it is the closest available competition measure. “Named award suppliers” are winners, not all applicants.

Price-outcome signal

Not enough comparable procedures currently publish both a GBP tender value and a usable lowest-valid-bid value to calculate a responsible price-reduction benchmark. Tenderline deliberately does not infer a saving from named award suppliers or from missing award values.

Procurement strategy & market signals

Framework agreementNot published
Dynamic purchasing systemNot published
Competitive procurementNot published
Recurring requirementNot published
Procurement method rationaleNot published
Rationale classificationsNot published
Special regimeNot published
Covered byNot published
Submission policyallowed
Selection criteriaNot published
Risk detailsNot published

Planning & early market engagement

BudgetNot published
No-engagement rationaleNot published
Planning documents0
Planning milestones0

No planning milestones published.

Related procurements

No linked framework, prior procurement or reprocurement published.

Documents & submission route

Source data inventory

Diagnostic view. “Not published” means this current release does not provide a value.

OCIDocds-h6vhtk-06538e
Latest release ID064363-2026
Latest release timestampWed Jul 08 2026 15:04:05 GMT+0000 (Coordinated Universal Time)
Sourcefind-a-tender
Official notice URLhttps://www.find-tender.service.gov.uk/Notice/064363-2026
Tender statusactive
Procurement methodopen
Procurement method detailsBelow threshold - open competition
Main procurement categoryworks
Above thresholdNo
Legal basis2023/54
Tender period: startNot published
Tender period: end2026-08-05T14:00:00+01:00
Expression of interest deadlineNot published
Enquiry deadline2026-07-29T14:00:00+01:00
Award period: startNot published
Award period: endNot published
Submission method detailsThis tendering exercise is being undertaken using the electronic tendering system ‘City of London Corporation Sourcing & Contracts Portal’ (https://cityoflondon.ukp.app.jaggaer.com/). Suppliers will need to register an interest in the system in order to participate, and registration is free.
Submission languagesNot published
Electronic catalogue policyNot published
Total tender value£2,700,000
Tender lots in source1
Tender items in source1
Tender documents in source1
Awards in latest release0
Contracts in latest release0
Parties in latest release1

Notice history

DateEventReference
8 Jul 2026tender064363-2026
13 Feb 2026planning013276-2026

All source data

Unmodified official OCDS data retained by Tenderline for this procurement process.

Complete current OCDS release JSON
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    "description": "About the Project\nThe proposed works are comprised of high-level repairs to the Great Hall roof, to include:\n•\tRefurbishment of the central lantern and fleche\n•\tIsolated repairs on the Collyweston stone slate roof\n•\tRepairs and improvements to rainwater discharge\n•\tHigh-level masonry repairs and cleaning, to include clerestories, parapets, turrets, pinnacles and tracery\n•\tturrets, pinnacles and tracery\n•\tRe-bedding of gable copings with improved details\n•\tInstallation of a new weathervane on the fleche\nThe Great Hall and the wider Guildhall complex will remain operational throughout the works. The contractor’s compound will be located on the large, paved area immediately north of the Old Library.\nThe Great Hall is enclosed by ambulatories on all sides, which prevents the use of full-height, ground-supported scaffolding. Consequently, scaffolding to the north and south elevations will need to be cradled from parapet level, while access to the east and west gables will require bridging over the ambulatories and bearing onto adjacent structures. An indicative scaffolding design and methodology have been developed and will be included within the tender documentation.\nThe Contractor is anticipated to take possession of the site in early October 2026. Works to the lantern and south elevation of the Great Hall must be completed no later than late October 2027, in advance of the annual Lord Mayor’s Show.\nAbout the Great Hall\nLondon’s Guildhall has been at the heart of the City’s government for centuries. The\nsite has been a centre of civic administration since at least the 12th century, although\nthere is evidence that a guildhall or meeting place has existed on the site as early as\nthe Saxon period. It was built on the site of a Roman amphitheatre which dates to 70\nAD, the remains of which were rediscovered in 1987, during the construction of the\nadjacent art gallery, and are on public display in the gallery’s purpose-built basement\ndisplay.\nThe medieval Guildhall was erected between 1411 and 1440 to serve as\nthe administrative and ceremonial centre of the City of London. It was built in\nPerpendicular Gothic style, to the designs of John Croxton, the master mason\nresponsible for the structure’s grand stonework. After the Great Fire of London\n(1666) destroyed the roof, Sir Christopher Wren and Robert Hooke oversaw repairs,\nreplacing the fire damaged roof and altering the interior.\nThe next phase of alterations occurred between 1788-91 under the auspices of\nGeorge Dance the Younger, who redesigned the interior and introduced the building’s\nstriking neoclassical porch. Dance also designed a new façade for the Guildhall\nChapel, which was demolished in 1822 to make way for the Mayor’s and City of\nLondon Court. In 1866-70 Sir Horace Jones undertook major works to restore many\nof the building’s lost Gothic elements.\nThe building suffered extensive damage during the Second World War Blitz and\nrestoration work was completed in the 1950s under the direction of Sir Giles Gilbert\nScott. Today the Guildhall is a blend of medieval, Georgian, Victorian and post-war\narchitecture, reflecting its long and dynamic history, and the building remains the\nceremonial and administrative centre of the City of London Corporation.\nThis procurement will be conducted as a two-stage competitive process for the award of a below-threshold contract under the Procurement Act 2023. The process has been designed as a proportionate competition comprising an initial selection and shortlisting stage followed by an invitation to tender issued to shortlisted suppliers\"\nThis Selection stage tender process will shortlist maximum of six supplers which will be taken foirward to the ITT Stage.",
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Complete JSON history (2 releases)
8 Jul 2026 · 064363-2026 · tender
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}
13 Feb 2026 · 013276-2026 · planning
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  "date": "2026-02-13T10:25:59Z",
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          },
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      "scheme": "UKPGA"
    },
    "description": "About the Project\nThe proposed works are comprised of high-level repairs to the Great Hall roof, to include:\n•\tRefurbishment of the central lantern and fleche\n•\tIsolated repairs on the Collyweston stone slate roof\n•\tRepairs and improvements to rainwater discharge\n•\tHigh-level masonry repairs and cleaning, to include clerestories, parapets, turrets, pinnacles and tracery\n•\tturrets, pinnacles and tracery\n•\tRe-bedding of gable copings with improved details\n•\tInstallation of a new weathervane on the fleche\nThe Great Hall and the wider Guildhall complex will remain operational throughout the works. The contractor’s compound will be located on the large, paved area immediately north of the Old Library.\nThe Great Hall is enclosed by ambulatories on all sides, which prevents the use of full-height, ground-supported scaffolding. Consequently, scaffolding to the north and south elevations will need to be cradled from parapet level, while access to the east and west gables will require bridging over the ambulatories and bearing onto adjacent structures. An indicative scaffolding design and methodology have been developed and will be included within the tender documentation.\nThe Contractor is anticipated to take possession of the site in early October 2026. Works to the lantern and south elevation of the Great Hall must be completed no later than late October 2027, in advance of the annual Lord Mayor’s Show.\nAbout the Great Hall\nLondon’s Guildhall has been at the heart of the City’s government for centuries. The\nsite has been a centre of civic administration since at least the 12th century, although\nthere is evidence that a guildhall or meeting place has existed on the site as early as\nthe Saxon period. It was built on the site of a Roman amphitheatre which dates to 70\nAD, the remains of which were rediscovered in 1987, during the construction of the\nadjacent art gallery, and are on public display in the gallery’s purpose-built basement\ndisplay.\nThe medieval Guildhall was erected between 1411 and 1440 to serve as\nthe administrative and ceremonial centre of the City of London. It was built in\nPerpendicular Gothic style, to the designs of John Croxton, the master mason\nresponsible for the structure’s grand stonework. After the Great Fire of London\n(1666) destroyed the roof, Sir Christopher Wren and Robert Hooke oversaw repairs,\nreplacing the fire damaged roof and altering the interior.\nThe next phase of alterations occurred between 1788-91 under the auspices of\nGeorge Dance the Younger, who redesigned the interior and introduced the building’s\nstriking neoclassical porch. Dance also designed a new façade for the Guildhall\nChapel, which was demolished in 1822 to make way for the Mayor’s and City of\nLondon Court. In 1866-70 Sir Horace Jones undertook major works to restore many\nof the building’s lost Gothic elements.\nThe building suffered extensive damage during the Second World War Blitz and\nrestoration work was completed in the 1950s under the direction of Sir Giles Gilbert\nScott. Today the Guildhall is a blend of medieval, Georgian, Victorian and post-war\narchitecture, reflecting its long and dynamic history, and the building remains the\nceremonial and administrative centre of the City of London Corporation.\nPlease note that this is not a call for competition.",
    "communication": {
      "futureNoticeDate": "2026-05-04T23:59:59+01:00"
    },
    "aboveThreshold": false,
    "mainProcurementCategory": "works"
  },
  "parties": [
    {
      "id": "GB-PPON-PYQD-1693-MYXR",
      "name": "The Mayor and Commonalty and Citizens of the City of London",
      "roles": [
        "buyer"
      ],
      "address": {
        "region": "UKI43",
        "country": "GB",
        "locality": "City of London",
        "postalCode": "EC2P 2EJ",
        "countryName": "United Kingdom",
        "streetAddress": "PO Box 270"
      },
      "details": {
        "url": "https://www.cityoflondon.gov.uk",
        "classifications": [
          {
            "id": "publicAuthoritySubCentralGovernment",
            "scheme": "UK_CA_TYPE",
            "description": "Public authority - sub-central government"
          }
        ]
      },
      "identifier": {
        "id": "PYQD-1693-MYXR",
        "scheme": "GB-PPON"
      },
      "contactPoint": {
        "name": "Hirdial Rai",
        "email": "hirdial.rai@cityoflondon.gov.uk",
        "telephone": "020 7606 3030"
      }
    }
  ],
  "language": "en",
  "planning": {
    "documents": [
      {
        "id": "013276-2026",
        "url": "https://www.find-tender.service.gov.uk/Notice/013276-2026",
        "format": "text/html",
        "noticeType": "UK2",
        "description": "Preliminary market engagement notice on Find a Tender",
        "documentType": "marketEngagementNotice",
        "datePublished": "2026-02-13T10:25:59Z"
      }
    ],
    "milestones": [
      {
        "id": "engagement",
        "type": "engagement",
        "status": "scheduled",
        "dueDate": "2026-02-25T23:59:59+00:00",
        "description": "The PME is being conducted via the electronic tendering system ‘City of London Corporation Sourcing & Contracts Portal’ (url:www.cityoflondon.ukp.app.jaggaer.com),Prj ref is 965, pqq_52.\nTo access the PME documentation, please register on the system for free and search ‘Guildhall - Great Hall Roof H&S Works'.\nOrganisations should submit their completed PME questionnaire document via the system by the return deadline of 25/02/26 14:00 to participate.\nPME document submissions cannot be uploaded after the return deadline."
      }
    ]
  },
  "initiationType": "tender"
}